FR2359087B1 - - Google Patents

Info

Publication number
FR2359087B1
FR2359087B1 FR7718962A FR7718962A FR2359087B1 FR 2359087 B1 FR2359087 B1 FR 2359087B1 FR 7718962 A FR7718962 A FR 7718962A FR 7718962 A FR7718962 A FR 7718962A FR 2359087 B1 FR2359087 B1 FR 2359087B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7718962A
Other languages
French (fr)
Other versions
FR2359087A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2359087A1 publication Critical patent/FR2359087A1/fr
Application granted granted Critical
Publication of FR2359087B1 publication Critical patent/FR2359087B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
    • C03B37/032—Drawing means, e.g. drawing drums ; Traction or tensioning devices for glass optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/0253—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/029—Furnaces therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D5/00—Control of dimensions of material
    • G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
    • G05D5/03—Control of dimensions of material of thickness, e.g. of rolled material characterised by the use of electric means
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • C03B2205/91—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles by controlling the furnace gas flow rate into or out of the furnace
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
    • C03B2205/98—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles using annular gas inlet distributors
FR7718962A 1976-07-19 1977-06-21 Appareil de fabrication de fibre optique Granted FR2359087A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8508376A JPS5311039A (en) 1976-07-19 1976-07-19 Controller of diameter of optical fiber

Publications (2)

Publication Number Publication Date
FR2359087A1 FR2359087A1 (fr) 1978-02-17
FR2359087B1 true FR2359087B1 (ja) 1980-03-14

Family

ID=13848701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7718962A Granted FR2359087A1 (fr) 1976-07-19 1977-06-21 Appareil de fabrication de fibre optique

Country Status (5)

Country Link
US (1) US4123242A (ja)
JP (1) JPS5311039A (ja)
DE (1) DE2731502C2 (ja)
FR (1) FR2359087A1 (ja)
NL (1) NL7707874A (ja)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1555492A (en) * 1976-09-15 1979-11-14 Standard Telephones Cables Ltd Process controller
US4157906A (en) * 1978-02-21 1979-06-12 Corning Glass Works Method of drawing glass optical waveguides
NL7902201A (nl) * 1979-03-21 1980-09-23 Philips Nv Werkwijze en inrichting voor het vervaardigen van op- tische fibers alsmede optische fibers vervaardigd met de werkwijze.
FR2452470B1 (ja) * 1979-03-29 1984-06-29 Gouronnec Alain
FR2464925A1 (fr) * 1979-09-06 1981-03-20 Thomson Csf Procede de controle du tirage d'une fibre optique a partir d'une preforme de verre et systeme de mise en oeuvre d'un tel procede
IT1144279B (it) * 1981-07-06 1986-10-29 Cselt Centro Studi Lab Telecom Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche
GB2101762B (en) * 1981-07-07 1984-11-28 Central Electr Generat Board Optic fibre
US4410344A (en) * 1981-09-28 1983-10-18 Western Electric Company, Inc. Optical waveguide fiber draw guiding and coating method and apparatus
JPS58137768U (ja) * 1982-03-11 1983-09-16 ミサワホ−ム株式会社 門扉掛止装置
NL8203843A (nl) 1982-10-04 1984-05-01 Philips Nv Werkwijze en inrichting voor het trekken van een optische vezel uit een vaste voorvorm die in hoofdzaak uit sio2 en gedoteerd sio2 bestaat.
JPS60141634A (ja) * 1983-12-28 1985-07-26 Shin Etsu Chem Co Ltd 光フアイバ−用母材およびその製造方法
IN169141B (ja) * 1985-08-21 1991-09-07 Stc Plc
US4707173A (en) * 1986-05-15 1987-11-17 The Furukawa Electric Co., Ltd. Method of fabricating porous glass rod and apparatus for fabricating the same
DE3625731A1 (de) * 1986-07-30 1988-02-11 Kabelmetal Electro Gmbh Verfahren zur herstellung von lichtwellenleitern
DE3707970A1 (de) * 1987-03-12 1988-09-22 Rheydt Kabelwerk Ag Verfahren zum transport einer optischen faser
JPH0541174Y2 (ja) * 1987-07-08 1993-10-19
JP2765033B2 (ja) † 1989-04-14 1998-06-11 住友電気工業株式会社 光ファイバーの線引方法
JP3348453B2 (ja) * 1993-02-15 2002-11-20 住友電気工業株式会社 光ファイバの異常点検出方法及び装置
EP0762159B1 (en) * 1995-08-31 2003-10-22 Sumitomo Electric Industries, Ltd. Dispersion-compensating fiber and method of fabricating the same
DE19536960A1 (de) * 1995-10-04 1996-03-21 Heraeus Quarzglas Verfahren und Vorrichtung zum Herstellen eines Bauteils aus Glas durch Ziehen aus einem Rohling
JP3226283B2 (ja) * 1996-01-22 2001-11-05 コーニング インコーポレイテッド 偏光モード分散を減少させるためにスピンを変調させた光ファイバ並びにその製造方法および装置
JP3166602B2 (ja) 1996-04-04 2001-05-14 住友電気工業株式会社 光ファイバの製造方法
US6324872B1 (en) 1996-04-12 2001-12-04 Corning Incorporated Method and apparatus for introducing controlled spin in optical fibers
KR100217716B1 (ko) * 1996-04-25 1999-09-01 윤종용 금속 피복 광섬유의 인출 장치 및 제조 방법
EP0814485B1 (en) 1996-06-21 2002-09-25 PIRELLI CAVI E SISTEMI S.p.A. Water tree resistant insulating composition
DE19629169C1 (de) * 1996-07-19 1997-12-11 Heraeus Quarzglas Verfahren und Vorrichtung zur Herstellung eines zylinderförmigen Bauteils aus Glas
KR0168009B1 (ko) 1996-09-13 1999-10-15 김광호 광섬유 모재를 제조시 사용되는 냉각장치
US6732549B1 (en) * 2000-08-01 2004-05-11 Lucent Technologies Inc. Multi-pass sintering of a sol-gel body through a hot zone
KR100492964B1 (ko) * 2002-07-29 2005-06-07 삼성전자주식회사 광섬유 인출장치 및 광섬유 모재 급송속도 제어방법
WO2007053617A2 (en) * 2005-10-31 2007-05-10 Ppg Industries Ohio, Inc. Methods and systems for controlling temperature of a bushing
JP5435501B2 (ja) * 2008-03-05 2014-03-05 古河電気工業株式会社 ガラス光ファイバの処理装置および処理方法ならびに光ファイバの製造方法および線引き方法
JP6379598B2 (ja) * 2014-04-02 2018-08-29 住友電気工業株式会社 光ファイバの製造方法および製造装置
EP3158284B1 (en) 2014-06-17 2022-03-16 Heraeus Quartz North America LLC Apparatus and method for heating and measuring of transparent cylindrical articles
BE1029901B1 (nl) 2021-11-05 2023-06-05 Isostar Bvba Geëxpandeerd polystyreen met een latex voor vloertoepassingen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1653836A1 (de) * 1966-05-13 1971-11-11 Messerschmitt Boelkow Blohm Regelbare Fluegelzellenpumpe
FR1590632A (ja) * 1968-06-21 1970-04-20
US3890127A (en) * 1973-05-29 1975-06-17 American Optical Corp Optical fiber drawing apparatus
US3879128A (en) * 1973-08-15 1975-04-22 Bell Telephone Labor Inc Method and apparatus for measuring the refractive index and diameter of optical fibers
US4030901A (en) * 1976-07-19 1977-06-21 Bell Telephone Laboratories, Incorporated Method for drawing fibers

Also Published As

Publication number Publication date
US4123242A (en) 1978-10-31
NL7707874A (nl) 1978-01-23
JPS5311039A (en) 1978-02-01
FR2359087A1 (fr) 1978-02-17
DE2731502A1 (de) 1978-01-26
DE2731502C2 (de) 1983-05-05
JPS5421444B2 (ja) 1979-07-31

Similar Documents

Publication Publication Date Title
FR2356664B1 (ja)
JPS5633681B2 (ja)
FR2356669B1 (ja)
FR2359087B1 (ja)
JPS5437526B2 (ja)
JPS5355248U (ja)
JPS52145248U (ja)
FR2342307B1 (ja)
JPS5354290U (ja)
JPS52162109U (ja)
JPS5294150U (ja)
JPS52143519U (ja)
CH593418A5 (ja)
CH599902A5 (ja)
BG23456A1 (ja)
CH611044A5 (ja)
BG23441A1 (ja)
CH610923A5 (ja)
BG23282A1 (ja)
CH610921A5 (ja)
BG28541A4 (ja)
CH590040A5 (ja)
CH592960A5 (ja)
BG23029A1 (ja)
CH593424A5 (ja)

Legal Events

Date Code Title Description
ST Notification of lapse